When you feel pressure building up in your ears and you need to pop your ears you can make your ears pop by following these instructions.
First hold your nose and close your mouth and then turn your head to the right until your chin touches your shoulder then swallow hard until your left ear pops, then again turn your head to the left until your chin touches your shoulder again and then swallow hard again so that your right ear pops.
And that's all there is to it to make your ears pop.